1022110001020 has 96 divisors (see below), whose sum is σ = 2223806441472. Its totient is φ = 394355520000.

The previous prime is 1022110000991. The next prime is 1022110001071. The reversal of 1022110001020 is 201000112201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1022110000988 and 1022110001006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29093265 + ... + 29128375.

It is an arithmetic number, because the mean of its divisors is an integer number (23164650432).

Almost surely, 2^{1022110001020} is an apocalyptic number.

1022110001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022110001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111903220736).

1022110001020 is an abundant number, since it is smaller than the sum of its proper divisors (1201696440452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022110001020 is a wasteful number, since it uses less digits than its factorization.

1022110001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35563 (or 35561 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1022110001020 its reverse (201000112201), we get a palindrome (1223110113221).

The spelling of 1022110001020 in words is "one trillion, twenty-two billion, one hundred ten million, one thousand, twenty".